Personalized Underestimate Old Man Surfboard Women's T-Shirt. Funny retired surfer Women's T-Shirt - Storm Camo with surfboard. Never Underestimate An Old Man On A Surfboard. Great gag birthday or retirement gift. Classic ladies' styling with a feminine neckline, sleeves and fit. 5.0 oz., pre-shrunk 100% cotton. Double-needle stitching throughout